f(x)=(x+2)*(x^2-3)

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Solution for f(x)=(x+2)*(x^2-3) equation: 


Simplifying
f(x) = (x + 2)(x2 + -3)

Multiply f * x
fx = (x + 2)(x2 + -3)

Reorder the terms:
fx = (2 + x)(x2 + -3)

Reorder the terms:
fx = (2 + x)(-3 + x2)

Multiply (2 + x) * (-3 + x2)
fx = (2(-3 + x2) + x(-3 + x2))
fx = ((-3 * 2 + x2 * 2) + x(-3 + x2))
fx = ((-6 + 2x2) + x(-3 + x2))
fx = (-6 + 2x2 + (-3 * x + x2 * x))
fx = (-6 + 2x2 + (-3x + x3))

Reorder the terms:
fx = (-6 + -3x + 2x2 + x3)
fx = (-6 + -3x + 2x2 + x3)

Solving
fx = -6 + -3x + 2x2 + x3

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'x'.
f = -6x-1 + -3 + 2x + x2

Simplifying
f = -6x-1 + -3 + 2x + x2

Reorder the terms:
f = -3 + -6x-1 + 2x + x2

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